encode method
Encode the payload as an MWEB address using chain.mwebHrp. Provided
primarily for round-trip testing; in production MWEB addresses come from
mwebd.
Implementation
String encode(Chain chain) {
final hrpToUse = chain.mwebHrp;
if (hrpToUse == null) {
throw FormatException('Chain does not support MWEB addresses');
}
return _bech32EncodeRaw(hrpToUse, payload);
}